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写入 \newpage 时出现“未定义的控制序列”错误

tag-icon • tag-icon graphics includegraphics undefined sequence
写入 \newpage 时出现“未定义的控制序列”错误

在我的论文序言中，当我写入 \newpage 时出现以下错误：

Undefined control sequence. LaTex Error: File ´' not found.

请注意，下面的代码中有 2 个 x \newpage，但只有第二个会产生问题。我尝试过\clearpage改为这样写，但结果是一样的。

有人能看出是什么导致了这个错误吗？

\documentclass[oneside]{article}

%%%% packages
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[english]{babel}
\usepackage{blindtext}
\usepackage{footnote}
\usepackage{csquotes}
\usepackage{eso-pic} 
\usepackage[dvipdfm]{graphicx} 
\usepackage{bmpsize}
\usepackage[a4paper, hmargin={2.5cm, 3cm}, vmargin={3cm, 3cm}]{geometry}
\usepackage{fancyhdr}
\graphicspath{ {figures/} }
\usepackage{array}
\usepackage[titletoc]{appendix}
\usepackage{tcolorbox}
\usepackage{tabularx}
\usepackage{multirow}
\usepackage{topcapt}
\usepackage{marginnote}
\usepackage{threeparttable}
\usepackage[font=small,format=plain,labelfont=bf,textfont=normal,justification=justified,singlelinecheck=false]{caption}
\usepackage{booktabs}
\usepackage{amsmath}
\usepackage{setspace}
\usepackage{parskip}
\usepackage{float}
\usepackage{wrapfig}
\usepackage[style=apa, citestyle=apa, sorting=nyt ]{biblatex}
\addbibresource{Biblo.bib}

\pagestyle{fancy} 
\usepackage{etoolbox}\apptocmd\appendix{\pretocmd\section{\clearpage}{}{}}{}{}
\usepackage{subfiles}

% commands
\setstretch{1.25}
\newcommand{\margmod}[1]{\marginnote{\setstretch{.5}\parbox[t]{\marginparwidth}{\raggedright\emph{#1}}}}

\author{
  \LARGE{My name} \\
  \vspace{0cm} \\
  {Academic Supervisor: Supervisor name} \\
  \vspace{.5cm} \\
}

\title{
  \vspace{3mm}
  \Huge{Master's Thesis}\\
  \vspace{18mm}
  \LARGE{Name of thesis}
  \vspace{90mm}
}

\date{February 2022}

%%%% Layout style
\linespread{1.5}
\fancyhead[L]{} 
\fancyhead[R]{\slshape \rightmark}
\setlength{\parskip}{1em}

\usepackage{tikz}
\usetikzlibrary{calc,matrix}
\usepackage{lipsum}
\newcommand{\Maroonunderline}[1]{{\color{Maroon}\underline{{\color{black}#1}}}}
\definecolor{Maroon_1}{RGB}{144,26,30}

%%%% Frontpage layout
\begin{document}
\pagenumbering{roman}

\AddToShipoutPicture*{\put(0,602){\includegraphics*[viewport=0 600 700 1600]{\ColourPDF}}} % adds frontpage image
\AddToShipoutPicture*{\put(0,0){\includegraphics*{\TitlePDF}}}

\thispagestyle{empty}

\newpage % This one doesn't create any trouble

%%%% Meta info
\begin{table}[!ht]
\begin{tabular}{lll}
\vspace{5mm}
 \textbf{University} & & {University of Copenhagen} \\
 \vspace{5mm}
 \textbf{Name of Department} & & {Department of Political Science} \\
 \vspace{5mm}
 \textbf{Study Programme} & & {Master of Science (MSc) in Political Science} \\ 
 \vspace{5mm}
 \textbf{Author} & & {My name} \\ 
 \vspace{5mm}
 \textbf{Student ID} & & {My student ID} \\
 \vspace{5mm}
 \textbf{Academic Supervisor} & & {Supervisor name} \\
 
 \textbf{Title} & & {Title of thesis} \\ 
% \vspace{5mm} 
%\textbf{Subtitle} & & {Subtitle} \\
%\vspace{5mm} 
\\
 \textbf{Date of Submission} & & {March 20, 2021} \\ 
% \vspace{5mm}
\\
 \textbf{ECTS} & & {30} \\
\end{tabular}
\end{table}

\newpage % This line creates the problem

更新了图形问题的代码和图片（基于对 samcarter_is_at_topanswers 的回答）：

%%%% Packages
\usepackage[utf8]{inputenc}
\usepackage[english]{babel}
\usepackage{blindtext}
\usepackage{footnote}
\usepackage{csquotes}
\usepackage[style=apa, citestyle=apa, sorting=nyt ]{biblatex}
\addbibresource{Biblo.bib}
\usepackage{eso-pic}
\usepackage{graphicx}
\usepackage[a4paper, hmargin={2.5cm, 3cm}, vmargin={3cm, 3cm}]{geometry}
\usepackage{fancyhdr}
\graphicspath{ {figures/} }
\usepackage{array}
\usepackage[titletoc]{appendix}
\usepackage{tcolorbox}
\usepackage{tabularx}
\usepackage{multirow}
\usepackage{marginnote}
\usepackage{threeparttable}
\usepackage[font=small,format=plain,labelfont=bf,textfont=normal,justification=justified,singlelinecheck=false]{caption}
\usepackage{amsmath}
\usepackage{setspace}
\usepackage{parskip}
\usepackage{float}
\pagestyle{fancy}
\usepackage{etoolbox}\apptocmd\appendix{\pretocmd\section{\clearpage}{}{}}{}{}
\usepackage{subfiles} 

% Extra packages
\usepackage[T1]{fontenc}
\usepackage{bmpsize}
\usepackage{topcapt}
\usepackage{booktabs}
\usepackage{wrapfig}

% commands
\setstretch{1.25}
\newcommand{\margmod}[1]{\marginnote{\setstretch{.5}\parbox[t]{\marginparwidth}{\raggedright\emph{#1}}}}

% Front page
\def \ColourPDF {Images/Metaimages/Front page_Political Science.pdf}
\def \TitlePDF   {Images/Metaimages/Front page_Political Science.pdf}

\author{
  \LARGE{My name} \\
  \vspace{0cm} \\
  {Academic Supervisor: Supervisor name} \\
  \vspace{.5cm} \\
}

\title{
  \vspace{3mm}
  \Huge{Master's Thesis}\\
  \vspace{18mm}
  \LARGE{Name of thesis}
  \vspace{90mm}
}

\date{February 2022}

%%%% Layout style
\linespread{1.5}
\fancyhead[L]{} 
\fancyhead[R]{\slshape \rightmark}
\setlength{\parskip}{1em}

%%%% Frontpage layout
\begin{document}
\pagenumbering{roman}

\AddToShipoutPicture*{\put(0,602){\includegraphics*[viewport=0 600 700 1600]{example-image}}} % adds frontpage image
\AddToShipoutPicture*{\put(0,0){\includegraphics*{example-image}}}

\thispagestyle{empty}

\newpage

%%%% Meta info
\begin{table}[!ht]
\begin{tabular}{lll}
\vspace{5mm}
 \textbf{University} & & {University of Copenhagen} \\
 \vspace{5mm}
 \textbf{Name of Department} & & {Department of Political Science} \\
 \vspace{5mm}
 \textbf{Study Programme} & & {Master of Science (MSc) in Political Science} \\ 
 \vspace{5mm}
 \textbf{Author} & & {My name} \\ 
 \vspace{5mm}
 \textbf{Student ID} & & {My student ID} \\
 \vspace{5mm}
 \textbf{Academic Supervisor} & & {Supervisor name} \\
 
 \textbf{Title} & & {Title of thesis} \\ 
% \vspace{5mm} 
%\textbf{Subtitle} & & {Subtitle} \\
%\vspace{5mm} 
\\
 \textbf{Date of Submission} & & {March 20, 2021} \\ 
% \vspace{5mm}
\\
 \textbf{ECTS} & & {30} \\
\end{tabular}
\end{table}

\newpage

Start of thesis..  
\end{document}

在此处输入图片描述

答案1

您的代码中未定义这两个命令\ColourPDF和。请定义它们或将它们替换为您想要包含的图像的名称。\TitlePDF

最好不要在 中指定驱动程序\usepackage[dvipdfm]{graphicx}。如果你不指定，latex 将自动选择与你用于编译文档的引擎匹配的驱动程序。

\documentclass[oneside]{article}

%%%% packages
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[english]{babel}
\usepackage{blindtext}
\usepackage{footnote}
\usepackage{csquotes}
\usepackage{eso-pic} 
\usepackage{graphicx} 
\usepackage{bmpsize}
\usepackage[a4paper, hmargin={2.5cm, 3cm}, vmargin={3cm, 3cm}]{geometry}
\usepackage{fancyhdr}
\graphicspath{ {figures/} }
\usepackage{array}
\usepackage[titletoc]{appendix}
\usepackage{tcolorbox}
\usepackage{tabularx}
\usepackage{multirow}
\usepackage{topcapt}
\usepackage{marginnote}
\usepackage{threeparttable}
\usepackage[font=small,format=plain,labelfont=bf,textfont=normal,justification=justified,singlelinecheck=false]{caption}
\usepackage{booktabs}
\usepackage{amsmath}
\usepackage{setspace}
\usepackage{parskip}
\usepackage{float}
\usepackage{wrapfig}
\usepackage[style=apa, citestyle=apa, sorting=nyt ]{biblatex}
\addbibresource{Biblo.bib}

\pagestyle{fancy} 
\usepackage{etoolbox}\apptocmd\appendix{\pretocmd\section{\clearpage}{}{}}{}{}
\usepackage{subfiles}

% commands
\setstretch{1.25}
\newcommand{\margmod}[1]{\marginnote{\setstretch{.5}\parbox[t]{\marginparwidth}{\raggedright\emph{#1}}}}

\author{
  \LARGE{My name} \\
  \vspace{0cm} \\
  {Academic Supervisor: Supervisor name} \\
  \vspace{.5cm} \\
}

\title{
  \vspace{3mm}
  \Huge{Master's Thesis}\\
  \vspace{18mm}
  \LARGE{Name of thesis}
  \vspace{90mm}
}

\date{February 2022}

%%%% Layout style
\linespread{1.5}
\fancyhead[L]{} 
\fancyhead[R]{\slshape \rightmark}
\setlength{\parskip}{1em}

\usepackage{tikz}
\usetikzlibrary{calc,matrix}
\usepackage{lipsum}
\newcommand{\Maroonunderline}[1]{{\color{Maroon}\underline{{\color{black}#1}}}}
\definecolor{Maroon_1}{RGB}{144,26,30}

%%%% Frontpage layout
\begin{document}
\pagenumbering{roman}

\AddToShipoutPicture*{\put(0,602){\includegraphics*[viewport=0 600 700 1600]{example-image}}} % adds frontpage image
\AddToShipoutPicture*{\put(0,0){\includegraphics*{example-image}}}

\thispagestyle{empty}

\newpage % This one doesn't create any trouble

%%%% Meta info
\begin{table}[!ht]
\begin{tabular}{lll}
\vspace{5mm}
 \textbf{University} & & {University of Copenhagen} \\
 \vspace{5mm}
 \textbf{Name of Department} & & {Department of Political Science} \\
 \vspace{5mm}
 \textbf{Study Programme} & & {Master of Science (MSc) in Political Science} \\ 
 \vspace{5mm}
 \textbf{Author} & & {My name} \\ 
 \vspace{5mm}
 \textbf{Student ID} & & {My student ID} \\
 \vspace{5mm}
 \textbf{Academic Supervisor} & & {Supervisor name} \\
 
 \textbf{Title} & & {Title of thesis} \\ 
% \vspace{5mm} 
%\textbf{Subtitle} & & {Subtitle} \\
%\vspace{5mm} 
\\
 \textbf{Date of Submission} & & {March 20, 2021} \\ 
% \vspace{5mm}
\\
 \textbf{ECTS} & & {30} \\
\end{tabular}
\end{table}

\newpage % This line creates the problem

test 
\end{document}

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